Two-Sample T-Test - HP 39G User Manual

Results
Two–Sample T–Test
Menu name
9-14
The results are:
Result Description
Test T T–Test statistic.
Prob Probability associated with the
T–Test statistic.
Critical T Boundary value of T associated
with the level that you supplied.
Boundary value of
Critical x
the
T–Test: 1 – 2
The Two–sample T–Test is used when the population
standard deviation is not known. On the basis of statistics
from two samples, each sample from a different population,
this test measures the strength of the evidence for a selected
hypothesis against the null hypothesis. The null hypothesis is
that the two populations means are equal (H
You select one of the following alternative hypotheses against
which to test the null hypothesis
H
H
H
x required by
value that you supplied.
: =
0
: <
1 1 2
: >
1 1 2
:
1 1 2
Inference aplet
).